Built with a rugged UNS CA 844 bronze body and stainless steel trim

When performing a furnace blower wheel replacement

Voltage Versatility: Rated for up to 250 VAC

Common Questions Which boiler models are compatible with the 550001939 kit

Key Benefits Factory Precision: Genuine Reznor J915HHA ensures exact mechanical alignment and thermal response times required by the control board

Resideo L8124G1020 Relay 318518-761 Built with a rugged UNSThe Resideo L8124G1020 Relay is a specialized Triple Aquastat Relay designed for forced hydronic heating systems that require high limit protection, low limit control, and circulator management. This immersion type controller features SPST high and low limit switching to maintain boiler water temperature and ensure efficient domestic hot water service. For multi zone applications, this unit allows for independent control by using an R845 Relay for